using System.ComponentModel.DataAnnotations;

namespace KH.WMS.Core.Api.Responses;

/// <summary>
/// API 统一响应格式
/// </summary>
public class ApiResponse
{
    /// <summary>
    /// 响应码
    /// </summary>
    public string Code { get; set; } = "200";

    /// <summary>
    /// 响应消息
    /// </summary>
    public string Message { get; set; } = "操作成功";

    /// <summary>
    /// 时间戳
    /// </summary>
    public long Timestamp { get; set; } = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();

    /// <summary>
    /// 响应数据
    /// </summary>
    public object? Data { get; set; }

    /// <summary>
    /// 请求跟踪ID
    /// </summary>
    public string? TraceId { get; set; }

    /// <summary>
    /// 创建成功响应
    /// </summary>
    public static ApiResponse Ok(object? data = null, string message = "操作成功")
    {
        return new ApiResponse
        {
            Code = "200",
            Message = message,
            Data = data
        };
    }

    /// <summary>
    /// 创建失败响应
    /// </summary>
    public static ApiResponse Fail(string code, string message)
    {
        return new ApiResponse
        {
            Code = code,
            Message = message
        };
    }

}

/// <summary>
/// API 泛型响应格式
/// </summary>
public class ApiResponse<T> : ApiResponse
{
    /// <summary>
    /// 响应数据
    /// </summary>
    public new T? Data { get; set; }

    /// <summary>
    /// 创建成功响应
    /// </summary>
    public static ApiResponse<T> Ok(T? data, string message = "操作成功")
    {
        return new ApiResponse<T>
        {
            Code = "200",
            Message = message,
            Data = data
        };
    }

    /// <summary>
    /// 创建失败响应
    /// </summary>
    public static new ApiResponse<T> Fail(string code, string message)
    {
        return new ApiResponse<T>
        {
            Code = code,
            Message = message
        };
    }
}